/Engine/Source/Editor/PropertyEditor/Public/PropertyHandle.h
Sets a delegate to call when the value of the property is changed including the property changed event as parameter
void SetOnPropertyValueChangedWithData ( const [TDelegate](API\Runtime\Core\Delegates\TDelegate)< void(const [FPropertyChangedEvent](API\Runtime\CoreUObject\UObject\FPropertyChangedEvent) &)> & InOnPropertyValueChanged )